1505results about "External electric electrostatic seperator" patented technology

A method for thermal treatment and chemical transformation of waste comprising carbonaceous materials for generation of a fuel gas or methanol, and for processing solid particles using a cyclonic particle separator, comprising adjusting the humidity of the materials, introduction into thermolysis reactor(s), introduction into a conversion unit, causing gasification of solid carbonaceous material, introducing the solid rest into char handling unit for further treatment in a cyclonic particle separator.

The invention discloses a heat dissipation control method and system for stable operation of a photovoltaic inverter, and relates to the technical field of photovoltaic inverter control, and the method comprises the steps: collecting the multi-source data of heat dissipation equipment and elements in the use of the photovoltaic inverter; constructing a feature relation model and an LSTM neural network prediction model based on data acquisition; and through the constructed feature relation model and the LSTM neural network prediction model, analysis is carried out to compare different levels of heat dissipation power with the inverter efficiency improvement degree under different environment temperatures and power levels, a predicted temperature is formed, risk levels are divided, and the optimal heat dissipation level is determined. According to the method, the predicted temperature is graded by utilizing synchronous acquisition of multi-source data and constructing the feature relation model and the LSTM neural network prediction model, and the multi-mode heat dissipation strategy is formulated, so that the heat dissipation strategy is adaptively adjusted according to the state of the photovoltaic inverter to perform adaptive heat dissipation, and the heat dissipation efficiency is improved. And the heat dissipation effect of the photovoltaic inverter is further improved.

The invention relates to the technical field of biomass energy treatment, and particularly discloses a biomass gasification fuel gas conveying system which comprises a biomass gasification furnace and further comprises a cooling device arranged on a gas output pipeline of the biomass gasification furnace; the water cooling circulation mechanism is connected to the cooling device, and the guide waste discharge barrel is connected with an output pipeline of the biomass gasifier; the waste discharge barrel cleaning mechanism is arranged on the outer wall of the guide waste discharge barrel; the tar and dust removal mechanism is arranged above the guide waste discharge barrel, and the ammonia water supplement mechanism is connected to an input pipeline of the waste discharge barrel cleaning mechanism through the water cooling circulation mechanism; and the monitoring and purifying mechanism is arranged at the output end of the tar and dust removing mechanism. According to the invention, fuel gas cooling, tar and dust removal, equipment cleaning and maintenance and stable conveying are realized.

An air filtering device for an air conditioner, in particular for filtering out particles, preferably pollutants, from air is provided. The air filtering device comprises a flow path through which air flows along a flow direction, an ionizer for generating ions in the flow path, and grid structure made of an electrically conductive material, that is upstream of the ionizer in the flow path in the flow direction, which forms a first electrode. A filter is downstream of the ionizer in the flow path in the flow direction which has a layer that forms a second electrode. The air filtering device also comprises a high voltage power source that has an electric pole and an electric counter-pole for generating a high voltage between the pole and the counter pole. The pole is electrically connected to the ionizer, or its discharge electrode, and the counter-pole is electrically connected to the first and second electrodes.

The present invention belongs to the technical field of ceramic waste gas treatment, and in particular, relates to a ceramic waste gas desulfurization and dust removal device, including a desulfurization tower, a wet electrostatic precipitator mechanism and a PLC controller. The desulfurization tower and the wet electrostatic precipitator mechanism are connected through a flue gas conveying channel, and the lower end of the desulfurization tower is fixedly connected to an inlet flue. The present invention adopts a one-stop purification equipment, which occupies a small area and can achieve a good treatment effect on multiple pollution factors such as particulate matter, sulfur dioxide, nitrogen oxides, etc. in the flue gas at one time. The desulfurization process technology is mature, and the desulfurization efficiency is greater than 99%, which can meet the flue gas treatment needs of various capacities. The wet electrostatic precipitator has high efficiency, and uses water spraying to clean the dust on the electrode surface. There is no secondary dust generation, which can ensure that the dust emission concentration at the outlet of the dust collector is ≤5mg / Nm 3 It can better adapt to the current environmental protection management status of the building ceramics industry, has good market promotion value, and has significant environmental and resource benefits.

The invention belongs to the technical field of semiconductor device manufacturing and processing, and particularly relates to semiconductor device manufacturing processing equipment which comprises a base and a mechanical arm fixedly arranged at the top of the base, a dust removal mechanism is fixedly arranged at one end of the mechanical arm, and a wafer polishing mechanism is fixedly arranged at the bottom end of the dust removal mechanism. A pneumatic lifting mechanism is fixedly arranged at the top of the base, when a wafer clamped by the wafer clamping mechanism needs to be turned over, the clamping air bag is inflated through the air nozzle, the wafer is clamped through the clamping air bag, then a valve on the air outlet is closed, at the moment, the air pressure in the hollow stand column can be continuously increased, and the wafer can be turned over. The piston assembly in the pneumatic lifting mechanism is pushed by air pressure to be jacked upwards, the ejector rod can be synchronously driven to ascend when the piston assembly is jacked upwards, the wafer clamping mechanism can be jacked up synchronously through the ejector rod, a wafer needing to be polished can be turned over conveniently, and the back face of the wafer can be polished conveniently.

A plume cleaning system for a toilet is integrated with a toilet. In one example, a plume cleaner assembly adjacent to a toilet seat is independently removable with respect to the toilet seat. The plume cleaner assembly may include a plume cleaner, apertures, and a fan positioned to draw plume air through the plurality of apertures for treatment by the plume cleaner and expel the treated plume air out of the plume cleaner assembly in a direction at an angle to the apertures. In another example, a plume cleaner assembly with the toilet seat may include at least a fan, an electrostatic collector, and a mist generator. In another example, a plume cleaner assembly is integrated in a tank of the toilet to generate a sanitization fluid that is channeled into the toilet bowl through an overflow tube and / or rim channels.

Filter unit 1 with a power supply 20, a spray electrode 15, and a filter medium 115, which is arranged between a first electrode 110 and a second electrode 120, wherein the first electrode 110 is arranged between the spray electrode 15 and the second electrode 120, the power supply 20 has a spray electrode output 28 and a further output 29, the power supply 20 is configured to provide an ionization current I ion to be handed over, as well as a voltage U ion Providing the connection between the spray electrode output 28 and the further output 29 can be made particularly advantageous if the first electrode 110 and the second electrode 120 are connected in parallel to each other at the further output 29 of the power supply 20.

The invention discloses an anode module and a wet-process electric dust remover thereof, relates to the technical field of electric dust removers, and solves the technical problems that in the prior art, the anode module is difficult to comprehensively and effectively clean in a water spraying mode, and the cleaning effect is influenced. Comprising a plurality of first anode tube groups and second anode tube groups which are alternately arranged, each first anode tube group is formed by sequentially welding a plurality of first anode tubes, each second anode tube group is formed by sequentially welding a plurality of second anode tubes, and each second anode tube is welded with the adjacent first anode tube; the first anode tubes and the second anode tubes are the same in structure, the sections of the first anode tubes and the second anode tubes are both of a honeycomb structure, and an upper stabilizing plate and a lower stabilizing plate are jointly welded to the outer tube walls, close to the two ends, of the first anode tubes and the second anode tubes. The surface area of the anode module is effectively increased, the dust removal efficiency of the anode module is improved, and the inner pipe wall of the anode module can be conveniently and comprehensively scraped and sprayed, so that the cleaning effect of the anode module is greatly improved.

The invention relates to the field of sintering machine head electrostatic dust collection, and provides a sintering machine head electrostatic dust collection system which comprises an airflow homogenization unit, an electric field dust collection unit, a high-frequency pulse power supply unit, an intelligent control unit and a dust concentration detector. The airflow homogenization unit is arranged in front of the electric field dust removal unit; the high-frequency pulse power supply unit is in signal connection with the electric field dedusting unit; the intelligent control unit is in signal connection with the electric field dedusting unit and used for controlling the voltage of the electric field dedusting unit; the dust concentration detector is arranged at the outlet position of the electric field dust removal unit, and is used for detecting the outlet dust concentration of the flue gas at the outlet position of the electric field dust removal unit and sending the outlet dust concentration to the intelligent control unit; the intelligent control unit is in signal connection with the high-frequency pulse power supply unit, and when the outlet dust concentration is larger than 20 mg / Nm, the pulse mode of the high-frequency pulse unit is activated, the invention further provides an electrostatic dust collection method for the sintering machine head, and the effect of improving the electrostatic dust collection efficiency and effect is achieved.

The invention provides an electrode plate, a dust collection assembly and air purification equipment, the electrode plate is used for the dust collection assembly, the electrode plate is a flexible electrode plate, the electrode plate comprises a flexible insulating layer, and a plurality of limiting parts arranged at intervals are arranged on the flexible insulating layer; and the conductive layer is arranged on one side of the flexible insulating layer and is connected with the flexible insulating layer. According to the electrode plate provided by the invention, enough spacing is provided between the adjacent conductive layers, the spacing between the adjacent conductive layers is ensured to be fixed, contact between the adjacent conductive layers is avoided, the stability of an electric field generated by the electrode plate is further ensured, adsorption of media such as dust is realized, and the electrode plate does not need to be fixed by additionally arranging a clamping strip or applying a hot melt adhesive; the process difficulty and the processing cost of the dust collection assembly are greatly reduced, the appearance of the dust collection assembly is not affected, meanwhile, the spacing between the adjacent conductive layers is increased due to the arrangement of the limiting parts, the dust collection area of the dust collection assembly is further increased, and the dust removal, sterilization and disinfection effects are improved.

The utility model relates to the technical field of wet type electrostatic dust collectors, in particular to a gas uniformizing device used in a high-voltage wet type electrostatic dust collector, which comprises a uniform distribution plate, a limiting component is inserted in the uniform distribution plate, and one side of the uniform distribution plate is connected with an edge sealing component in a sliding manner; a sliding rod is arranged on one side of the uniform distribution plate, a sliding way is arranged on the other side of the uniform distribution plate, holes are formed in the front face of the uniform distribution plate, and an inserting rod is welded to the back face of the uniform distribution plate. The limiting assembly comprises a rotating rod penetrating through the uniform distribution plate and an improved gas uniformizing device, the edge sealing assembly is additionally arranged on the edge of the uniform distribution plate, the anti-skid plates on the periphery of the uniform distribution plate are attached to the inner wall of the dust remover through fasteners and the anti-skid plates on the surface of the edge sealing assembly, installation is more convenient, the fasteners only need to be unscrewed in the disassembly process, and the dust remover is convenient to disassemble. The sliding rods, the sliding ways, the inserting rods and the holes are additionally arranged on the periphery of the uniform distribution plate, so that a plurality of uniform distribution plates can be spliced or disassembled at any time, and transportation and storage are facilitated.

The invention discloses a multi-channel electric field dust collection type dust removal device for a lunar surface, relates to the technical field of space dust control and collection, and aims to solve the problems that in the prior art, the lunar dust migration range is limited, cleaning and collection cannot be integrated, and the system environment adaptability is poor. The invention provides a dust removal device which comprises a dust collection pipeline, a dust collection channel arranged in the pipeline, multi-phase electrode plates arranged in a three-phase mode, flexible insulation sleeves wrapping the electrode plates, a circuit system connected with electrodes and a collection bin communicated with the pipeline. The multi-phase electrode plates form an adjustable rotating electric field in the dust collection channel and used for driving lunar dust particles to directionally migrate to the collection bin, the circuit system controls electric signal parameters, and the flexible insulation sleeve is used for electric field shielding and protection. The lunar dust collector is suitable for lunar dust cleaning, sampling and in-situ resource utilization operation in a lunar exploration task.

The invention relates to a dry tar-containing tail gas treatment process which comprises the following steps: step 1, after tail gas is collected by a pipeline, granulating tail gas enters a pipeline degreaser under the air draft action of a tail gas fan at the tail end; the invention relates to the technical field of tar-containing granulation tail gas treatment. According to the dry tar-containing tail gas treatment process, tar larger than or equal to 10 microns is intercepted through a detachable filter screen in a pipeline degreaser, and blockage is prevented in cooperation with a steam / solvent flushing opening; the dry type preprocessor adopts three-stage gradient filtration of a G3 metal net, G4 glass fibers and G5 glass fibers, viscous particles below 5 microns are thoroughly removed, and automatic overload alarm is realized through pressure difference detection; submicron oil mist is adsorbed by the electric trapping oil remover through a high-voltage electric field, safety is guaranteed through an explosion venting sheet, and electrodes are continuously / discontinuously flushed through a spraying pipe; the cleaning system separates a mixing / circulating area through a partition plate, an oil separation net protects a flushing water pump, and long-term stable operation of the device is achieved. The problem that tar is difficult to clean due to adhesion is thoroughly solved.

The present application relates to the technical field of generators, and in particular to a gasoline generator, comprising a generator mechanism, an internal combustion engine, a dust removal mechanism, a fuel tank and a frame, wherein the dust removal mechanism comprises a ventilation pipe and a conductive frame fixedly installed in the ventilation pipe, a connecting assembly for fixedly connecting to the ventilation pipe is fixedly installed at the tail of the generator mechanism, a first strip through hole is provided on the top surface of the ventilation pipe, a first conductive rod is inserted into the first strip through hole, a first collecting box is placed between the two sides of the frame, the top surface of the first collecting box is set to be open and is located directly below the bottom surface of the ventilation pipe, the top surface of the first collecting box is opposite to the first strip through hole, a first positive and negative power supply is fixedly installed on the top surface of the ventilation pipe, a second positive and negative power supply is fixedly installed on the bottom surface of the ventilation pipe, one electrode of the first positive and negative power supply is fixedly connected to the conductive frame, and one electrode of the second positive and negative power supply is fixedly connected to the first conductive rod, thereby effectively improving the service life of the device.

The invention relates to the technical field of flue gas treatment, in particular to a gas rising cap assembly, a gas cooling tower and a flue gas purification system. The gas rising cap assembly comprises a plurality of gas rising cap units, the gas rising cap units are arranged in parallel at intervals, and each gas rising cap unit comprises a guide cylinder and a first gas rising cap; the guide cylinder is used for guiding gas to rise for cooling; the first gas rising cap is arranged above the guide cylinder and at least covers the upper part of the guide cylinder; in the axial direction of the guide cylinder, a gap through which gas in the guide cylinder overflows is formed between the first gas rising cap and the upper part of the guide cylinder; at least part of the adjacent gas rising cap units share one first gas rising cap, and an opening is formed in the shared first gas rising cap and located between the upper portions of the adjacent guide cylinders; according to the gas lifting cap assembly, the gas-liquid separation efficiency can be improved, and the problem of low-load liquid leakage can be avoided or reduced.

The invention provides an image measuring instrument capable of guaranteeing the clearness of a lens, which comprises a measuring instrument support, an adjusting assembly and a flow uniformizing assembly, the top of the measuring instrument support is fixedly connected with an installation assembly, the side wall of the installation assembly is fixedly provided with a purification assembly, the adjusting assembly is composed of a sleeve and a sliding sleeve, and the outer surface of the sliding sleeve is provided with a cleaning mechanism. The cleaning mechanism makes contact with the surface of the electrostatic adsorption plate. Airflow is formed in the adjusting assembly to continuously blow the surface of the lens, dust on the surface of the lens is removed, airflow direction adjustment is achieved by adjusting the position of the sliding sleeve, meanwhile, normal use of the image measuring instrument can be guaranteed, the air flow is purified and blown out, dust is adsorbed on the outer side of the sliding sleeve, and the image measuring instrument can be used more conveniently. The definition of images shot by the image measuring instrument is ensured, uniform circulation of airflow is achieved in the sliding sleeve, uniform circulation of airflow around the lens can be achieved through the arrangement of the guide column and the sliding sleeve, and the use performance of the image measuring instrument is improved.

The invention discloses a flow-equalizing air inlet device and an air inlet control method.The flow-equalizing air inlet device comprises a box shell, a flow homogenizer and a fluid director, the flow homogenizer is connected to the middle of the inner side of the box shell in a sleeving mode, the fluid director is movably installed on the outer surface of one end of the box shell, and an air inlet pipe is movably installed on the outer surface of the other end of the box shell; and a cleaning frame is fixedly mounted on the outer surface of the upper end of the box body shell and located on the outer side of the flow homogenizer. The flow homogenizer comprises a ventilation box and a plurality of sets of movable barrier strips, a plurality of sets of strip-shaped notches are formed in one end of the ventilation box, the movable barrier strips are movably installed in the ventilation box, and the upper ends of the movable barrier strips are connected and fixed through a sliding clamping base; a perforated plate is spliced and mounted on one side of the movable barrier strip in the ventilation box; the flow uniformizing device is provided with an adjustable flow uniformizing structure, can perform synchronous cleaning operation, and can be better suitable for flow uniformizing treatment of moisture-containing gas.

Example approaches are directed to an apparatus for reducing smoke created by a surgical instrument in a procedure, e.g., as part of a surgical system. The apparatus may include an insulating vessel and a flexible printed circuit disposed within the vessel, with the vessel including an inlet and an outlet. The flexible printed circuit includes a substrate layer and a conductive layer disposed on the substrate. The conductive layer includes two charge conducting portions or electrodes having opposite electrical charges, which are spaced apart by an electrically insulated portion. The charge conducting portions are positioned between the inlet and outlet of the vessel such that particles entering the inlet are electrically charged and drawn to one of the charge conducting portions.

The invention discloses an air quality feedback dust falling device for building safety engineering, and relates to the technical field of dust falling devices. Comprising a shell, an air suction port and an air exhaust port are formed in the two sides of the shell, a driving motor is arranged at the bottom of the shell, the output end of the driving motor is connected with a transmission shaft, a lifting plate is installed on the transmission shaft, a filter screen is installed on one side of the lifting plate, a driving plate is installed below the lifting plate, two sets of partition plates are installed below the driving plate, and a fixing plate is installed between the two sets of partition plates. A vortex piece is arranged on the lower side of the fixed plate, a cleaning plate is slidably installed in the vortex piece, a pressurizing cover is installed below the cleaning plate, a rotating plate is installed in the pressurizing cover, the flowing direction of dust and air in the vortex piece changes continuously, the dust impacts the inner wall of the vortex piece and loses kinetic energy, the air continues to flow towards the air outlet, and the positive plate attracts the dust. And the dust removal effect of the dust is improved through the cooperation of the vortex sheet and the positive plate.

The present invention is applicable to an air suspension purification device based on environmental monitoring results, comprising: a base and a processing box installed on the base, wherein a first through slot is provided on a side of the processing box away from the base; and an adsorption box, wherein the adsorption box is embedded in the processing box and is detachably connected to the inclined plate through an extension plate fixed on the adsorption box, wherein the extension plate is provided with at least one air intake through slot connecting the inside and outside of the adsorption box, wherein the slow flow chamber is connected to the inner side of the adsorption box through a third through slot provided on the adsorption box, wherein an adsorption assembly is provided on the inner side of the third through slot. The preliminary filtration is performed by the filter plate provided, and the gas after the preliminary filtration passes through an ion generator to charge the suspended matter, and the charged suspended matter is adsorbed on the electrostatic adsorption plate when passing through the electrostatic adsorption plate, thereby achieving the purification of the suspended matter in the gas.

An air filter for an air filter assembly in an air conditioner is provided, in particular for filtering out particles, preferably pollutants, from air. The air filter contains a filter element with an electrically conductive layer. The air filter also has a housing that partially encompasses a housing interior into which the filter element is inserted. The air filter also has a terminal on the housing that can be contacted from outside the housing interior, which is made of an electrically conductive material and is connected to the conductive layer of the filter element.

A heating, ventilation, and air conditioning system (HVAC system) for a motor vehicle is provided, which has an ionizer for generating a corona discharge field, which contains at least one polarized discharge electrode and at least one counter electrode with the opposite polarity of the discharge electrode, a particle filter for removing particles from an air flow, and a flow path that defines a flow direction for air leading to a vehicle interior (29) and conducts the air through the ionizer and the particle filter, wherein the ionizer is upstream of the particle filter in the flow path.The service life of the particle filter can be increased with a multilayered particle filter that contains at least one dielectric layer and at least one electrically conductive layer, and the HVAC system has an electrical connection with which the conductive layer is connected to a counter-potential that has the opposite polarity to that of the discharge electrodes.

The present invention relates to an electrostatic dust collecting device and air purification equipment, comprising: a first electrode sheet and a second electrode sheet in the shape of strips, a plurality of first supporting bosses are respectively arranged on both sides of the first surface of the first electrode sheet, a plurality of second supporting bosses are respectively arranged on both sides of the first surface of the second electrode sheet, and the second surface of the first electrode sheet is contacted and stacked on the second supporting bosses of the second electrode sheet and then wound to form the electrostatic dust collecting device. The electrostatic dust collecting device of the present invention does not need to use a specific tooling to maintain a fixed gap during winding and can accurately maintain a fixed spacing. After winding and forming, a layer support structure can be formed to solve the problem that the spacing between two electrostatic dust collecting sheets after spiral winding is difficult to ensure. Moreover, after winding, it can be assembled into a finished product without the need for subsequent process treatments such as dispensing glue and inserting an isolation comb.

The invention belongs to the technical field of environment-friendly treatment, and provides a treatment process for natural gas combustion waste gas generated by zinc chloride production based on zinc ash and zinc slag and acid mist waste gas generated by regenerated acid decoction, which comprises the following steps: S1, introducing the natural gas combustion waste gas and the acid mist waste gas into a spray tower, carrying out dynamic alkali neutralization treatment and cooling treatment on the basis of an intelligent pH value regulation and control method to obtain primary purified gas; s2, the primary purified gas enters primary plasma dedusting and demisting equipment through a pipeline to be treated, and secondary purified gas is obtained; and S3, the secondary purified gas enters secondary plasma dedusting and demisting equipment to be treated, and final treated tail gas is obtained. According to the invention, the chemical neutralization based on the spray tower and the two-stage plasma deep cracking are combined, the treated waste gas meets the emission limit value in the secondary standard in the Integrated Emission Standard of Air Pollutants, the treatment efficiency is high, the medicament consumption is low, the energy consumption is low, and the problems in the prior art are effectively solved.

The invention discloses a respirable dust separation device based on electrostatic cyclone separation, which comprises an air inlet pipe, one side of the air inlet pipe is provided with a cyclone separator, the cyclone separator is composed of an air inlet, an air outlet, a separator shell and a dust collecting hopper, and the air inlet of the cyclone separator is in split connection with the air inlet pipe. The invention relates to the technical field of respirable dust separation, in particular to a respirable dust separation device based on electrostatic cyclone separation, which forms an electrostatic field in a cyclone separator; small-particle-size dust such as respirable dust is adsorbed by static electricity through the adsorption force of an electrostatic field, so that the problem that the small-particle-size respirable dust cannot be separated under the centrifugal effect of a cyclone separator is solved; a gas flow meter is arranged and electrically connected with an electrostatic generator; the electrostatic field formed by the electrostatic generator is correspondingly adjusted according to the flow data detected by the gas flowmeter in real time, the electrostatic adsorption force can be adjusted in real time according to the gas inflow, more energy is saved, and use is more flexible.

The present invention provides an anesthesia ventilator device that dynamically monitors and regulates the partial pressure of carbon dioxide. The device includes a ventilator main body with inputs connected to an oxygen source, an air source, an anesthetic gas source, and a carbon dioxide source. The output of the ventilator main body is connected to a mask. This invention can solve the technical problem of respiratory alkalosis caused by excessive ventilation in conventional anesthesia ventilator devices, which leads to excessive elimination of carbon dioxide by the patient and a decrease in the partial pressure of carbon dioxide in the body.

The invention relates to the technical field of electrostatic separation equipment, in particular to a spraying and washing wet-type electrostatic dust collector which comprises a shell, an adsorption mechanism, a spraying mechanism and a collecting mechanism. A plurality of rows and columns of adsorption cavities are densely arranged in the shell, two of four side walls of each adsorption cavity are swingable anode plates, and cathode bars are inserted in the adsorption cavities. The air pump is arranged to enable air to intermittently enter the shell from the air inlet at high frequency, so that the air pressure in the adsorption cavity is increased and decreased in a reciprocating manner, the anode plates are made to fluctuate circularly according to the Bernoulli principle, and then the electric field in the adsorption cavity is made to change in a reciprocating manner. After the air leaves the preset height of the anode plate, the air pressure at the preset height position is reduced, the anode plate at the position is close to the cathode bar, the electric field intensity in the adsorption cavity is increased, and at the moment, the electric field force borne by charged dust particles in the adsorption cavity is larger, so that the adsorption efficiency of the anode plate on the charged dust particles is improved, and the dust removal efficiency is improved; the dust removal effect is optimized.

The invention belongs to the technical field of flue gas purification, and particularly relates to an eddy current polar plate electric precipitator equipped with a pre-charging device and a working method thereof.The electric precipitator comprises an air inlet pipe, a shell and an air outlet pipe and further comprises the pre-charging device, an eddy current type dust collection polar plate and an ultrasonic coagulation layer, and the eddy current type dust collection polar plate is arranged in a dust collection chamber of the shell. The pre-charging device is close to the air inlet pipe, a first flow equalizing plate layer is arranged at the front end of the pre-charging device, a second flow equalizing plate layer is arranged at the rear end of the pre-charging device, and the pre-charging device comprises a plurality of sets of hanging mechanisms, cathode wires, vibrators and a pre-charging support. The plurality of vortex type dust collection polar plates are arranged in a staggered manner in the airflow direction, the discharge electrodes are arranged in front of and on the side surfaces of the vortex type dust collection polar plates, and a detachable filter screen is arranged between the ultrasonic coagulation layer and the air outlet pipe. Pre-charged dust enters the vortex polar plate dust collection area through the flow equalizing plate and is subjected to ultrasonic coagulation, the dust collection efficiency is greatly improved, and ultra-clean emission can be achieved.

An electrostatic separator or precipitator through which an air stream to be cleaned of particles flows in a longitudinal direction includes at least one electrospray ionization source, which is supplied with a positive potential and can be implemented, for example, by the tips of a graphite fiber bundle, and a collector unit arranged downstream for particle separation and having parallel collector and driver plates. The ion flow from the corona zone is additionally homogenized and spread by an upstream collector element, in particular a collector grid, upstream of the at least one electrospray ionization source, so that high particle separation rates can be achieved with minimal ozone emissions. Alternatively, or in addition, the ion flow from the corona zone can be homogenized downstream of the at least one spray ionization source by one or more border counter-electrodes.